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Direct linkHula, William D.; Fergadiotis, Gerasimos; Swiderski, Alexander M.; Silkes, JoAnn P.; Kellough, Stacey – Journal of Speech, Language, and Hearing Research, 2020
Purpose: The purpose of this study was to verify the equivalence of 2 alternate test forms with nonoverlapping content generated by an item response theory (IRT)--based computer-adaptive test (CAT). The Philadelphia Naming Test (PNT; Roach, Schwartz, Martin, Grewal, & Brecher, 1996) was utilized as an item bank in a prospective, independent…
Descriptors: Adaptive Testing, Computer Assisted Testing, Severity (of Disability), Aphasia
Chai, Jun Ho; Lo, Chang Huan; Mayor, Julien – Journal of Speech, Language, and Hearing Research, 2020
Purpose: This study introduces a framework to produce very short versions of the MacArthur-Bates Communicative Development Inventories (CDIs) by combining the Bayesian-inspired approach introduced by Mayor and Mani (2019) with an item response theory-based computerized adaptive testing that adapts to the ability of each child, in line with…
Descriptors: Bayesian Statistics, Item Response Theory, Measures (Individuals), Language Skills
Makransky, Guido; Dale, Philip S.; Havmose, Philip; Bleses, Dorthe – Journal of Speech, Language, and Hearing Research, 2016
Purpose: This study investigated the feasibility and potential validity of an item response theory (IRT)-based computerized adaptive testing (CAT) version of the MacArthur-Bates Communicative Development Inventory: Words & Sentences (CDI:WS; Fenson et al., 2007) vocabulary checklist, with the objective of reducing length while maintaining…
Descriptors: Item Response Theory, Computer Assisted Testing, Adaptive Testing, Language Tests
